... Football: who gets transferredand for how much’, Bulletin of Eco-nomic Research 51 : 1 25 50 .Sloane, P. (1971) ‘The economics of pro-fessional football: the football club as autility maximiser’, ... testability’, Australian Eco-nomic Papers 16: 72– 85. Stigler, G.J. (1947) ‘Notes on the history ofthe Giffen paradox’, Journal of PoliticalEconomy 55 : 152 –6.Giffen, Sir Rober t, 1837–1910 (B3)Born ... HarvesterWheatsheaf.Friedman, M. (1 953 ) Essays in Positive Economics, Chicago: Phoenix Books.—— (1 956 ) Studies in the Quantity Theory© 2002 Donald Rutherfordextendedequilibrium(D5)AnexpansionoftheconceptofGENERALEQUILIBRIUMtoincludethenaturalenviron-ment.extendedfundfacility(F3)AtypeofINTERNATIONALMONETARYFUNDloanintroducedin1974whichisgrantedtoacountrywhichagreestoaneconomicadjustmentprogrammeoverathree-yearperiod.Repaymentbeginsfourandahalfyearsaftertheloanisgrantedandisextendedoverasix-yearperiod.Thefacil-itywasusedtotheextentofabout$100millionannuallyinthe1970s,andbythemid-1980shadrisentoover$2billionperyear.ItcanbeusedinconjunctionwithaSUPPLEMENTARYFINANCINGFACILITY.externalaccount(F4,G2)1TheBALANCEOFPAYMENTSaccountsofanation.2Abankaccountofapersonwhoisnotaresidentofthecountry.externalbalance(F4)Thestateofacountry’sBALANCEOFPAY-MENTSsuchthatitisneitherindeficitnorinsurplus.Inaccountingterms,thebal-anceofpaymentsalwaysbalancesbecauseoftheprinciplesofdouble-entrybook-keeping.However,ineconomicterms,foracountrytohaveanexternalbalancetheremustbeanequalitybetweentheflowsofpaymentsandreceiptsbetweenthatcountryandtherestoftheworldinagiventimeperiod.Seealso:internalbalanceReferencesMeade,J.E.(1 951 )TheTheoryofInterna-tionalEconomicPolicy,Vol.I,TheBalanceofPayments,ch.10,LondonandNewYork:OxfordUniversityPress.Swan,T.W.(1963)‘Longerrunproblemsofthebalanceofpayments’,inH.W.ArndtandW.M.Corden(eds)TheAustralianEconomy,Melbourne:F.W.Cheshire.externalcreditrating(F4,G2)1Theratingaccordedtoabankofitsexposuretorisk.2Thereliabilityofacountryinservicingitsexternaldebttobanksandothercountries.externaldebt(F4,H6)ThedebtacountryowestoforeignbanksandgovernmentswhichaccumulatesthroughitspersistentBALANCEOFPAYMENTSdeficits.Anattempttoachieveeconomicgrowthinashorttimeperiodisoftenthecauseofsuchindebtedness.Inextremecasesofforeignindebtedness,nationalgovernmentswillattempttorescheduletheirdebtsand,inacrisis,applytotheINTERNATIONALMONETARYFUNDforloans.Seealso:internaldebtexternaleconomyofscale(D0)AreductionintheAVERAGECOSTSofafirmasaresultoftheexpansionofthewholeindustryofwhichitispart.Amajorexampleoftheseeconomiesoccursinthecaseofthetrainingoflabour:thegeneralexpansionofanindustryrequiresmoreskilledlabourtoprovideapoolofsuitablelabourforotherfirms.Seealso:internaleconomyofscaleexternality...